Carmen Howard and Ryan Edwards are the two candidates in a hotly contested upcoming election for Governor. A pollster wants to project who will win the election. From the ten million eligible voters, the pollster chooses a random sample of 2000 voters. The pollster gives each of these voters a phone call and asks any voter who picks up the following question. Who do you intend to vote for in the race for Governor, Carmen Howard or Ryan Edwards? From the sample, the pollster received 25 responses. Of the responses, 68% said they intend to vote for Carmen Howard. Describe something the pollster could have done to reduce the most prominent source of bias in the study. Choose the best answer from the choices below. Send a message through social media telling eligible voters they can call the pollster to answer the question if they choose. This way the pollster makes sure the people answering the question are volunteers. Modify the study to also include everyone in the state in the sample. This way the sample is no longer a sample of convenience. As a follow up, send a text message with the question to those who did not pick